CN207183329U - Battery cover board and battery - Google Patents
Battery cover board and battery Download PDFInfo
- Publication number
- CN207183329U CN207183329U CN201720936836.1U CN201720936836U CN207183329U CN 207183329 U CN207183329 U CN 207183329U CN 201720936836 U CN201720936836 U CN 201720936836U CN 207183329 U CN207183329 U CN 207183329U
- Authority
- CN
- China
- Prior art keywords
- pole
- sealing ring
- negative
- positive
- positive pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to cell art, is related to a kind of battery cover board and battery, and the battery cover board includes substrate and the positive terminal and negative terminal that are arranged on substrate, positive pole sealing ring is provided between positive terminal and substrate, negative pole sealing ring is provided between negative terminal and substrate；Positive pole sealing ring includes sealing ring and positive pole lower seal on positive pole, is seamlessly connected on positive pole between sealing ring and positive pole lower seal；Negative pole sealing ring includes sealing ring and negative pole lower seal on negative pole, is seamlessly connected on negative pole between sealing ring and negative pole lower seal.The battery cover board is provided with upper sealing ring and lower seal between pole and substrate, and seamless connection between upper sealing ring and lower seal, effectively avoid electrolyte from entering in the gap of pole and sealing ring the lightly conducting for causing cover plate, and greatly improve the sealing effectiveness of battery cover board.
Description
Technical field
The utility model belongs to cell art, more particularly to a kind of battery cover board and battery.
Background technology
Electrokinetic cell is the developing direction of new-energy automobile and energy-accumulating power station, thus the security of battery is most important.Electricity
Important component of the pond cover plate as electrokinetic cell, determine the sealing property and insulating properties of electrokinetic cell.
A sealing ring made of fluorubber is generally provided only between the pole and base plate bottom of existing battery cover board,
Due to pole and pressing plate in riveting there may be metal aluminium skimmings, cause the high-voltage isulation of cover plate gas leakage and negative pole bad, simultaneously
Electrolyte may be leaked into filling at the top of battery cover board in the gap between pole and sealing ring, and liquid to be electrolysed is dried
Afterwards, the lightly conducting of electric current between cover plate and pole is easily caused, influences battery performance.
Utility model content
Technical problem to be solved in the utility model is：For sealing difference between the cover plate and pole of prior art with
And the technical problem of poor insulativity, there is provided a kind of battery cover board and battery.
In order to solve the above technical problems, on the one hand, the utility model embodiment provide a kind of battery cover board, including substrate with
And the positive terminal and negative terminal of setting on the substrate, provided with sealing ring on positive pole and just between the positive terminal and the substrate
Pole lower seal, sealing ring and negative pole lower seal on negative pole are provided between the negative terminal and the substrate；
The top of the positive terminal, which rivets, positive pole pressing plate, and sealing ring is arranged on the upper of the positive terminal on the positive pole
Between portion, the positive pole pressing plate and the substrate, the positive pole lower seal is arranged on the bottom of the positive terminal and the base
Between plate, it is seamlessly connected on the positive pole between sealing ring and the positive pole lower seal；
The top of the negative terminal, which rivets, negative pole pressing plate, and sealing ring is arranged on the upper of the negative terminal on the negative pole
Between portion, the negative pole pressing plate and the substrate, the negative pole lower seal is arranged on the bottom of the negative terminal and the base
Between plate, it is seamlessly connected on the negative pole between sealing ring and the negative pole lower seal.
Alternatively, the substrate, which is provided with, is used to place the positive pole post holes of the positive terminal and for placing the negative pole
The negative pole post holes of post.
Alternatively, sealing ring and the positive pole lower seal are set on the positive terminal on the positive pole, it is described just
Extremely upper sealing ring is oppositely disposed in the positive pole post holes up and down with the positive pole lower seal；
Sealing ring and the negative pole lower seal are set on the negative terminal on the negative pole, sealing ring on the negative pole
It is oppositely disposed at up and down in the negative pole post holes with the negative pole lower seal.
Alternatively, it is provided with positive pole pressing plate above the positive terminal, sealing ring and institute on the positive pole pressing plate, the positive pole
State and be provided with positive pole insulated plastic part between substrate；
It is provided with negative pole pressing plate above the negative terminal, sealing ring and the substrate on the negative pole pressing plate, the negative pole
Between be provided with negative insulation plastic parts.
Alternatively, the positive pole pressing plate, on the positive pole sealing ring, the positive pole insulated plastic part and the substrate it
Between be provided with positive conductive block.
Alternatively, the battery cover board also includes plastic casing, and the plastic casing, which is provided with, to be used to supply the positive terminal
The positive pole hole and the negative pole hole for passing through for the negative terminal passed through.
Alternatively, the battery cover board also includes rotating sheet, and the substrate is provided with close to described negative pole post holes one end to be used for
The tumble port of the rotating sheet is placed, the plastic casing is provided with the upset groove with the rotating sheet position correspondence.
Alternatively, the battery cover board also includes burst disk, and the substrate, which is provided with, to be used to place the anti-of the burst disk
Blast hole, the explosionproof hole are arranged between the positive pole post holes and negative pole post holes, the plastic casing be provided with it is described explosion-proof
The explosion-proof groove of piece position correspondence.
Alternatively, the diaphragm for being used for protecting the burst disk is provided with above the burst disk.
According to the battery cover board of the utility model embodiment, sealing ring and lower sealing are set between the substrate of pole
Circle, and seamless connection between upper sealing ring and lower seal, it is possible to prevente effectively from electrolyte leaks into pole during filling
In gap between post, upper sealing ring and lower seal, so as to improve the sealing effectiveness of battery cover board.
On the other hand, the utility model embodiment also provides a kind of battery, and it includes above-mentioned battery cover board.
Brief description of the drawings
Fig. 1 is the explosive view for the battery cover board that the embodiment of the utility model one provides；
Fig. 2 is the profile after Fig. 1 combinations；
Fig. 3 is the enlarged drawing at A in Fig. 2.
Reference in specification is as follows：
1st, substrate；101st, positive pole post holes；102nd, negative pole post holes；103rd, tumble port；104th, explosionproof hole；105th, liquid injection hole；
2nd, positive terminal；201st, positive pole pressing plate；202nd, positive pole insulated plastic part；203rd, sealing ring on positive pole；204th, under positive pole
Sealing ring；205th, positive conductive block；
3rd, negative terminal；301st, negative pole pressing plate；302nd, negative insulation plastic parts；303rd, sealing ring on negative pole；304th, under negative pole
Sealing ring；
4th, plastic casing；401st, positive pole hole；402nd, negative pole hole；403rd, groove is overturn；404th, explosion-proof groove；
5th, rotating sheet；
6th, burst disk；601st, diaphragm.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model solves are more clearly understood, below
With reference to drawings and Examples, the utility model is described in further detail.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
As depicted in figs. 1 and 2, the battery cover board that the embodiment of the utility model one provides, including substrate 1, positive terminal 2 and negative
Pole 3.Substrate 1 is provided with positive pole post holes 101 and negative pole post holes 102.It should be understood that positive terminal 2 will pass through positive pole post holes 101
Place, negative terminal 3 will be placed through negative pole post holes 102.
Further, 102 rounded structure of positive pole post holes 101 and negative pole post holes, and it is separately positioned on the left and right two of substrate 1
End, positive terminal 2 and negative terminal 3 are separately positioned on the center of positive pole post holes 101 and negative pole post holes 102.It should be understood that just
Pole 2 and negative terminal 3 will be located at the left and right ends of substrate 1 respectively.
A liquid injection hole 105 is additionally provided with substrate 1, electrolyte can be injected into battery by liquid injection hole 105.
As shown in figure 3, sealing ring 203 and positive pole lower seal 204 on positive pole, positive pole are provided between substrate 1 and positive terminal 2
Upper sealing ring 203 is arranged between the top of positive terminal 2 and substrate 1, and positive pole lower seal 204 is arranged on the bottom of positive terminal 2
Between substrate 1, it is seamlessly connected on positive pole between sealing ring 203 and positive pole lower seal 204.Sealing ring 203 and just on positive pole
Pole lower seal 204 is set on positive terminal 2, and sealing ring 203 is relatively set with positive pole lower seal about 204 on positive pole
It is placed in positive pole post holes 101.It should be understood that pass through seamless company on positive pole between sealing ring 203 and positive pole lower seal 204
Connect, realize to the sealing between positive terminal 2 and substrate 1, to prevent electrolyte from leaking into positive terminal 2, positive pole during filling
In gap between upper sealing ring 203 and positive pole lower seal 204；Make sealed insulation between positive terminal 2 and substrate 1 simultaneously.
Sealing ring 303 and negative pole lower seal 304 on negative pole are provided between substrate 1 and negative terminal 3, sealing ring on negative pole
303 are arranged between the top of negative terminal 3 and substrate 1, negative pole lower seal 304 be arranged on the bottom of negative terminal 3 and substrate 1 it
Between, it is seamlessly connected on negative pole between sealing ring 303 and negative pole lower seal 304.Sealing ring 303 and negative pole lower seal on negative pole
304 are set on negative terminal 3, and sealing ring 303 is oppositely disposed at described bear with negative pole lower seal on negative pole about 304
In pole column hole 102.It should be understood that realized on negative pole between sealing ring 303 and negative pole lower seal 304 by being seamlessly connected
To the sealing between negative terminal 3 and substrate 1, to prevent electrolyte from leaking into negative terminal 3 during filling, sealing ring on negative pole
In gap between 303 and negative pole lower seal 304；Make sealed insulation between negative terminal 3 and substrate 1 simultaneously.
In the present embodiment, positive pole sealing ring 203 and negative pole sealing ring 303 are made of fluorubber.
The top of positive terminal 2 is provided with positive pole pressing plate 201, and positive pole insulated plastic is provided between positive pole pressing plate 201, positive terminal 2 and substrate 1
Glue part 202.It should be understood that the upper/lower terminal of positive pole insulated plastic part 202 will connect positive pole pressing plate 201 and substrate 1 respectively,
So that positive pole insulated plastic part 202, which aligns extreme pressure plate 201, plays fixation.
Further, positive pole pressing plate 201, set between sealing ring 203, positive pole insulated plastic part 202 and substrate 1 on positive pole
There is positive conductive block 205.Positive conductive block 205 electrically connects with positive pole pressing plate 201.
The top of negative terminal 3 is provided with negative pole pressing plate 301, and negative insulation is provided between negative pole pressing plate 301, negative terminal 3 and substrate 1 and is moulded
Glue part 302.It should be understood that the upper/lower terminal of negative insulation plastic parts 302 will will connect negative pole pressing plate 301 and substrate respectively
1, so that negative insulation plastic parts 302 plays fixation to negative pole pressing plate 301.
As depicted in figs. 1 and 2, in the present embodiment, battery cover board also includes burst disk 6, and substrate 1 is arranged on provided with one
Explosionproof hole 104 between positive pole post holes 101 and negative pole post holes 102, the position of the corresponding explosionproof hole 104 of burst disk 6 are welded on
The lower section of substrate 1,104 equal showing ellipsoidal structure of burst disk 6 and explosionproof hole.It should be understood that the surface area of burst disk 6 should be greater than
Or the surface area equal to explosionproof hole 104.
Further, the upper surface of burst disk 6 is provided with a ring-type cutting, and the top of burst disk 6 is provided with explosion-proof for protecting
The diaphragm 601 of piece 6.Specifically, being equipped with one above the position of explosionproof hole 104 of substrate 1 with boss jaggy, protect
Cuticula 601 is arranged on the top of boss.It should be understood that the surface area of diaphragm 601 should be greater than the surface area of explosionproof hole 104；
When the air pressure of inside battery is excessive, the electrolyte of inside battery will be flowed out by ring-type cutting, and via the breach stream of boss
To outside batteries, so as to prevent battery from being exploded because air pressure inside is excessive.
In the present embodiment, battery cover board also includes rotating sheet 5, and substrate 1 is provided with close to the one end of negative pole post holes 102 to be used to put
Put the tumble port 103 of rotating sheet 5.Rotating sheet 5 is welded on substrate 1, and rotating sheet 5 is kept before upset between negative pole pressing plate 301
There is space, rotating sheet 5 contacts after upset with negative pole pressing plate 301.It should be understood that correspondingly turned on negative insulation plastic parts 302
The position of rotor 5 is provided with a manhole, by the manhole, rotating sheet 5 is deposited before upset between negative pole pressing plate 301
In gap.
When the air pressure of inside battery is excessive, in the presence of by air pressure, the middle part of rotating sheet 5 can arch upward upwards, with bearing
Extreme pressure plate 301 contacts, will formation between rotating sheet 5 and negative terminal 3 because negative pole pressing plate 301 is connected with negative terminal 3 by welding
Conducting, blocks the electric current into battery core, causes electric current to be no longer flow into battery core and continues to produce discharge and recharge, so that battery core internal pressure obtains
Control, reduces the generation of accident.
In the present embodiment, battery cover board also includes plastic casing 4, and plastic casing 4, which is provided with, to be used to pass through for positive terminal 2
Positive pole hole 401, for pass through for negative terminal 3 negative pole hole 402, with 105 corresponding circular hole of liquid injection hole and the position of rotating sheet 5
Corresponding upset groove 403 and the explosion-proof groove 404 with the position correspondence of burst disk 6.
Further, 402 rounded structure of positive pole hole 401 and negative pole hole, upset groove 403 bottom are provided with pressure hole, prevented
The bottom of quick-fried groove 404 is provided with fluid hole.It should be understood that when the air pressure increase of inside battery, the generation gas of inside battery
Body will be exerted a force by pressure hole to rotating sheet 5, rotating sheet 5 is arched upward upwards, control battery core internal pressure；If the air pressure of inside battery is more
Qiang Shi, the electrolyte of inside battery will be flowed into the bottom surface of burst disk 6 by fluid hole, and by the ring-type cutting of burst disk 6 and
Breach on the boss of substrate 1 flows to outside batteries, so as to prevent battery from being exploded because air pressure inside is excessive.
According to the battery cover board of the utility model embodiment, sealing ring and lower sealing are set between the substrate 1 of pole
Circle, and seamless connection is used between upper sealing ring and lower seal, it is possible to prevente effectively from electrolyte leaks into during filling
In gap on to pole between sealing ring and lower seal, so as to improve the sealing effectiveness of battery cover board.
In addition, the embodiment of the utility model one additionally provides a kind of battery, it includes above-mentioned battery cover board.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of battery cover board, including substrate and positive terminal and negative terminal on the substrate are set, it is characterised in that institute
State and sealing ring and positive pole lower seal on positive pole are provided between positive terminal and the substrate, be provided between the negative terminal and the substrate
Sealing ring and negative pole lower seal on negative pole；
The top of the positive terminal, which rivets, positive pole pressing plate, and sealing ring is arranged on the top of the positive terminal, institute on the positive pole
State between positive pole pressing plate and the substrate, the positive pole lower seal be arranged on the bottom of the positive terminal and the substrate it
Between, it is seamlessly connected on the positive pole between sealing ring and the positive pole lower seal；
The top of the negative terminal, which rivets, negative pole pressing plate, and sealing ring is arranged on the top of the negative terminal, institute on the negative pole
State between negative pole pressing plate and the substrate, the negative pole lower seal be arranged on the bottom of the negative terminal and the substrate it
Between, it is seamlessly connected on the negative pole between sealing ring and the negative pole lower seal.
2. battery cover board according to claim 1, it is characterised in that the substrate, which is provided with, to be used to place the positive terminal
Positive pole post holes and negative pole post holes for placing the negative terminal.
3. battery cover board according to claim 2, it is characterised in that sealed on the positive pole under sealing ring and the positive pole
Circle is set on the positive terminal, and sealing ring is oppositely disposed in described up and down with the positive pole lower seal on the positive pole
In positive pole post holes；
Sealing ring and the negative pole lower seal are set on the negative terminal on the negative pole, sealing ring and institute on the negative pole
Negative pole lower seal is stated to be oppositely disposed in the negative pole post holes up and down.
4. battery cover board according to claim 3, it is characterised in that on the positive pole pressing plate, the positive pole sealing ring with
And positive pole insulated plastic part is provided between the substrate；
Negative insulation plastic parts is provided with the negative pole pressing plate, the negative pole between sealing ring and the substrate.
5. battery cover board according to claim 4, it is characterised in that sealing ring, institute on the positive pole pressing plate, the positive pole
State and positive conductive block is provided between positive pole insulated plastic part and the substrate.
6. according to the battery cover board described in claim any one of 2-5, it is characterised in that the battery cover board also includes plastic casing
Body, the plastic casing are provided with the positive pole hole for being used for passing through for the positive terminal and born for what is passed through for the negative terminal
Pole hole.
7. battery cover board according to claim 6, it is characterised in that the battery cover board also includes rotating sheet, the base
Plate is provided with close to described negative pole post holes one end is used to placing the tumble port of the rotating sheet, the plastic casing be provided with it is described
The upset groove of rotating sheet position correspondence.
8. battery cover board according to claim 6, it is characterised in that the battery cover board also includes burst disk, the base
Plate, which is provided with, is used to placing the explosionproof hole of the burst disk, the explosionproof hole be arranged on the positive pole post holes and negative pole post holes it
Between, the plastic casing is provided with the explosion-proof groove with the burst disk position correspondence.
9. battery cover board according to claim 8, it is characterised in that be provided with above the burst disk described anti-for protecting
The diaphragm of quick-fried.
10. a kind of battery, it is characterised in that including the battery cover board described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936836.1U CN207183329U (en) | 2017-07-28 | 2017-07-28 | Battery cover board and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936836.1U CN207183329U (en) | 2017-07-28 | 2017-07-28 | Battery cover board and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183329U true CN207183329U (en) | 2018-04-03 |
Family
ID=61743793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720936836.1U Expired - Fee Related CN207183329U (en) | 2017-07-28 | 2017-07-28 | Battery cover board and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207183329U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767141A (en) * | 2018-06-05 | 2018-11-06 | 合肥国轩高科动力能源有限公司 | A kind of power battery head cover and power battery using copper aluminium laser welding |
| CN108987621A (en) * | 2018-06-11 | 2018-12-11 | 合肥力翔电池科技有限责任公司 | A kind of connection structure of great-capacity power battery top cover |
| CN109638181A (en) * | 2018-11-14 | 2019-04-16 | 庐江力翔电池科技有限责任公司 | A kind of VDA ternary battery square structure top cover |
| WO2021129739A1 (en) * | 2019-12-24 | 2021-07-01 | 瑞浦能源有限公司 | Top cover for power battery, and power battery |
| WO2022242748A1 (en) * | 2021-05-21 | 2022-11-24 | 湖北亿纬动力有限公司 | Cylindrical battery |
| CN116014317A (en) * | 2023-02-09 | 2023-04-25 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
-
2017
- 2017-07-28 CN CN201720936836.1U patent/CN207183329U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767141A (en) * | 2018-06-05 | 2018-11-06 | 合肥国轩高科动力能源有限公司 | A kind of power battery head cover and power battery using copper aluminium laser welding |
| CN108987621A (en) * | 2018-06-11 | 2018-12-11 | 合肥力翔电池科技有限责任公司 | A kind of connection structure of great-capacity power battery top cover |
| CN109638181A (en) * | 2018-11-14 | 2019-04-16 | 庐江力翔电池科技有限责任公司 | A kind of VDA ternary battery square structure top cover |
| WO2021129739A1 (en) * | 2019-12-24 | 2021-07-01 | 瑞浦能源有限公司 | Top cover for power battery, and power battery |
| WO2022242748A1 (en) * | 2021-05-21 | 2022-11-24 | 湖北亿纬动力有限公司 | Cylindrical battery |
| CN116014317A (en) * | 2023-02-09 | 2023-04-25 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200821 Address after: Room 202, Yuanshuo Science Park, No.8, South Lane, xinshiqiao street, Guihua community, Guanlan street, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen xindimeng Technology Co., Ltd Address before: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, No. 289 Hua Tong Sheng community Fanlu Yu Jian Feng Industrial Zone Building G building 1-5 layer Patentee before: SHENZHEN CITY XIN DIMING NEW ENERGY POLYTRON TECHNOLOGIES Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20200728 |